package com.example.java_chatroom.config;


import com.example.java_chatroom.Controller.TestWebSocketController;
import com.example.java_chatroom.Controller.WebSocketController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;

@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {
    @Autowired
    private TestWebSocketController testWebSocketController;
    @Autowired
    private WebSocketController webSocketController;
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        //通过这个方法将刚才创建好的Handler类给注册到具体的路径上
        //此时当浏览器, websocket 的请求路径是 "/test" 的时候, 就会调用到 TestWebSocketAPI 这个类里的方法.
        //registry.addHandler(testWebSocketController, "/test");

        registry.addHandler(webSocketController, "/webSocketMessage")
                // 通过注册这个特定的 HttpSession 拦截器, 就可以把用户给 HttpSession 中添加的 Attribute 键值对
                // 往我们的 WebSocketSession 里也添加一份.
                .addInterceptors(new HttpSessionHandshakeInterceptor());

    }
}
